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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .jz1{
				width: 300px;
				height: 300px;
				border: 1px solid red;
				text-align: center;
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			.jz2{
				width: 200px;
				height: 200px;
				border: 1px solid blue;
				display: inline-block;
}

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<body>
    
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